A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.05 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 69 80 36 65 40 27 59 65 66 46 64 72 95 90 67 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: 60 seconds B. Ho: = 60 seconds H:=60 seconds H:60 seconds OC. Ho: = 60 seconds OD. Ho: = 60 seconds H:> 60 seconds H:H< 60 seconds Determine the test statistic. 2.43 (Round to two decimal places as needed.)
A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.05 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one minute? 69 80 36 65 40 27 59 65 66 46 64 72 95 90 67 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: 60 seconds B. Ho: = 60 seconds H:=60 seconds H:60 seconds OC. Ho: = 60 seconds OD. Ho: = 60 seconds H:> 60 seconds H:H< 60 seconds Determine the test statistic. 2.43 (Round to two decimal places as needed.)
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Transcribed Image Text:test the claim that these times are from a population with a mean equal to 60
A group of students estimated the length of one minute without reference to a watch or clock, and the times (seconds) are listed below. Use a 0.05 significance level
seconds. Does it appear that students are reasonably good at estimating one minute?
69
80
36
65
40
27
59 65 66
46
64
72 95
90
67
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
O A. Ho: u#60 seconds
B. Ho: µ= 60 seconds
H: u= 60 seconds.
H: H# 60 seconds
O C. Ho: H= 60 seconds
O D. Ho: u= 60 seconds
H:u> 60 seconds
H:u< 60 seconds
Determine the test statistic.
2.43 (Round to two decimal places as needed.)
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